Underwater Sniping for Gold (Radding)

Must have this book for sniping or dredging.  Hints that help.

Butterknife Publishing,2002. Prospecting book with maps,techniques and tools.

Spiral-bound: 144 Pages
ISBN-10: 0972612815
ISBN-13: 978-0972612814
Product Dimensions: 8.4 x 5.7 x 0.5 inches